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path: root/drivers/irqchip/irq-meson-gpio.c
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Diffstat (limited to 'drivers/irqchip/irq-meson-gpio.c')
-rw-r--r--drivers/irqchip/irq-meson-gpio.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/irqchip/irq-meson-gpio.c b/drivers/irqchip/irq-meson-gpio.c
index f88df39f4129..cd789fa51519 100644
--- a/drivers/irqchip/irq-meson-gpio.c
+++ b/drivers/irqchip/irq-meson-gpio.c
@@ -154,6 +154,10 @@ static const struct meson_gpio_irq_params c3_params = {
INIT_MESON_S4_COMMON_DATA(55)
};
+static const struct meson_gpio_irq_params t7_params = {
+ INIT_MESON_S4_COMMON_DATA(157)
+};
+
static const struct of_device_id meson_irq_gpio_matches[] __maybe_unused = {
{ .compatible = "amlogic,meson8-gpio-intc", .data = &meson8_params },
{ .compatible = "amlogic,meson8b-gpio-intc", .data = &meson8b_params },
@@ -165,6 +169,7 @@ static const struct of_device_id meson_irq_gpio_matches[] __maybe_unused = {
{ .compatible = "amlogic,meson-a1-gpio-intc", .data = &a1_params },
{ .compatible = "amlogic,meson-s4-gpio-intc", .data = &s4_params },
{ .compatible = "amlogic,c3-gpio-intc", .data = &c3_params },
+ { .compatible = "amlogic,t7-gpio-intc", .data = &t7_params },
{ }
};
@@ -173,7 +178,7 @@ struct meson_gpio_irq_controller {
void __iomem *base;
u32 channel_irqs[MAX_NUM_CHANNEL];
DECLARE_BITMAP(channel_map, MAX_NUM_CHANNEL);
- spinlock_t lock;
+ raw_spinlock_t lock;
};
static void meson_gpio_irq_update_bits(struct meson_gpio_irq_controller *ctl,
@@ -182,14 +187,14 @@ static void meson_gpio_irq_update_bits(struct meson_gpio_irq_controller *ctl,
unsigned long flags;
u32 tmp;
- spin_lock_irqsave(&ctl->lock, flags);
+ raw_spin_lock_irqsave(&ctl->lock, flags);
tmp = readl_relaxed(ctl->base + reg);
tmp &= ~mask;
tmp |= val;
writel_relaxed(tmp, ctl->base + reg);
- spin_unlock_irqrestore(&ctl->lock, flags);
+ raw_spin_unlock_irqrestore(&ctl->lock, flags);
}
static void meson_gpio_irq_init_dummy(struct meson_gpio_irq_controller *ctl)
@@ -239,12 +244,12 @@ meson_gpio_irq_request_channel(struct meson_gpio_irq_controller *ctl,
unsigned long flags;
unsigned int idx;
- spin_lock_irqsave(&ctl->lock, flags);
+ raw_spin_lock_irqsave(&ctl->lock, flags);
/* Find a free channel */
idx = find_first_zero_bit(ctl->channel_map, ctl->params->nr_channels);
if (idx >= ctl->params->nr_channels) {
- spin_unlock_irqrestore(&ctl->lock, flags);
+ raw_spin_unlock_irqrestore(&ctl->lock, flags);
pr_err("No channel available\n");
return -ENOSPC;
}
@@ -252,7 +257,7 @@ meson_gpio_irq_request_channel(struct meson_gpio_irq_controller *ctl,
/* Mark the channel as used */
set_bit(idx, ctl->channel_map);
- spin_unlock_irqrestore(&ctl->lock, flags);
+ raw_spin_unlock_irqrestore(&ctl->lock, flags);
/*
* Setup the mux of the channel to route the signal of the pad
@@ -562,7 +567,7 @@ static int meson_gpio_irq_of_init(struct device_node *node, struct device_node *
if (!ctl)
return -ENOMEM;
- spin_lock_init(&ctl->lock);
+ raw_spin_lock_init(&ctl->lock);
ctl->base = of_iomap(node, 0);
if (!ctl->base) {
@@ -603,5 +608,6 @@ IRQCHIP_MATCH("amlogic,meson-gpio-intc", meson_gpio_irq_of_init)
IRQCHIP_PLATFORM_DRIVER_END(meson_gpio_intc)
MODULE_AUTHOR("Jerome Brunet <jbrunet@baylibre.com>");
+MODULE_DESCRIPTION("Meson GPIO Interrupt Multiplexer driver");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:meson-gpio-intc");